import { ACCESS_TOKEN, USER_ID } from '@/store/mutation-types'
import storage from '@/utils/storage'
import * as LoginApi from '@/api/login'

// 登陆成功后执行
const loginSuccess = (commit, { token, userId }) => {
  // 过期时间30天
  const expiryTime = 30 * 86400
  // 保存tokne和userId到缓存
  storage.set(USER_ID, userId, expiryTime)
  storage.set(ACCESS_TOKEN, token, expiryTime)
  // 记录到store全局变量
  commit('SET_TOKEN', token)
  commit('SET_USER_ID', userId)
}

const user = {
  state: {
    // 用户认证token
    token: '',
    // 用户ID
    userId: null
  },

  mutations: {
    SET_TOKEN: (state, value) => {
      state.token = value
    },
    SET_USER_ID: (state, value) => {
      state.userId = value
    }
  },

  actions: {
    // 用户注册
    Register({ commit }, data) {
      return new Promise((resolve, reject) => {
        LoginApi.register(data)
          .then(response => {
            if (response.code === 200) {
                const result = response.data
                loginSuccess(commit, result)
            }
            resolve(response)
          })
          .catch(reject)
      })
    },
    
    // 用户登录
    Login({ commit }, data) {
      return new Promise((resolve, reject) => {
        LoginApi.login(data)
          .then(response => {
            if (response.code === 200) {
                const result = response.data
                loginSuccess(commit, result)
            }
            resolve(response)
          })
          .catch(reject)
      })
    },

    // 微信小程序快捷登录
    MpWxLogin({ commit }, data) {
      return new Promise((resolve, reject) => {
        LoginApi.mpWxLogin(data, { isPrompt: false })
          .then(response => {
            const result = response.data
            loginSuccess(commit, result)
            resolve(response)
          })
          .catch(reject)
      })
    },

    // 退出登录
    Logout({ commit }, data) {
      const store = this
      return new Promise((resolve, reject) => {
        if (store.getters.userId > 0) {
          // 删除缓存中的tokne和userId
          storage.remove(USER_ID)
          storage.remove(ACCESS_TOKEN)
          // 记录到store全局变量
          commit('SET_TOKEN', '')
          commit('SET_USER_ID', null)
          resolve()
        }
      })
    }
  }
}

export default user
